Quick Answer (TL;DR)
Net Promoter Score (NPS) measures likelihood that customers recommend your product. The formula is % Promoters - % Detractors. Industry benchmarks: SaaS: 30-50 is good; 50+ is excellent. Track this metric when measuring overall customer satisfaction.
What Is Net Promoter Score (NPS)?
Likelihood that customers recommend your product. NPS was introduced by Fred Reichheld in a 2003 Harvard Business Review article and is maintained by Bain & Company's Net Promoter System. This is one of the core metrics in the referral metrics category and is essential for any product team serious about data-driven decision making.
Net Promoter Score (NPS) measures the organic growth potential of your product. Referral and word-of-mouth metrics are powerful because they represent growth that does not require proportional increases in marketing spend.
Understanding net promoter score (nps) in context, alongside related metrics, gives you a more complete picture than tracking it in isolation. Use it as part of a balanced metrics dashboard.
The Formula
% Promoters - % Detractors
How to Calculate It
Apply the formula % Promoters - % Detractors using data from a consistent time period. Pull the values from your analytics platform or data warehouse, compute the result, and compare against the benchmarks below.
Benchmarks
SaaS: 30-50 is good; 50+ is excellent
Benchmarks vary significantly by industry, company stage, business model, and customer segment. Use these ranges as starting points and calibrate to your own historical data over 2-3 quarters. Your trend matters more than any absolute number. Consistent improvement is the goal.
When to Track Net Promoter Score (NPS)
When measuring overall customer satisfaction. Specifically, prioritize this metric when:
- You are building or reviewing your metrics dashboard and need referral indicators
- Leadership or investors ask about referral performance
- You suspect a change in product, pricing, or go-to-market strategy has affected this area
- You are running experiments that could impact net promoter score (nps)
- You need a quantitative baseline before making a strategic decision
How to Improve
- Make sharing frictionless. Reduce the steps required to refer someone. Pre-written messages, one-click sharing, and in-product referral prompts significantly increase participation rates.
- Incentivize both sides. The most effective referral programs reward both the referrer and the referred user. Two-sided incentives increase conversion 2-3x compared to one-sided rewards.
- Time referral asks strategically. Ask for referrals immediately after a user experiences a moment of delight. Completing a milestone, receiving positive results, or upgrading their plan.
- Close the feedback loop. Collecting scores is only valuable if you act on them. Route low scores to the right team for follow-up and track improvement over time.
Common Pitfalls
- Survey fatigue. Over-surveying your users leads to low response rates and selection bias. Collect scores at strategic moments rather than constantly.
- Measuring program activity instead of outcomes. Referral invites sent is a vanity metric. Track actual conversions and the downstream revenue generated by referred customers.
- Measuring without acting. Tracking this metric is only valuable if you have a process for reviewing it regularly and a playbook for responding when it moves outside acceptable ranges.
Related Metrics
- Viral Coefficient (K-factor): number of new users each user generates
- Referral Rate: percentage of users who make a referral
- Referral Conversion Rate: percentage of referred users who sign up
- Invites Sent Per User: average referral invitations per active user
- Product Metrics Cheat Sheet: complete reference of 100+ metrics
Calculate Your NPS
Use the NPS Calculator to calculate your Net Promoter Score from survey data with industry benchmarks. Track NPS alongside churn rate to see if satisfaction predicts retention, and PMF score to measure product-market fit. The SaaS Benchmarks Dashboard shows how your NPS compares to industry peers.